When symmetry fails

Support Modeling
#1

What could be the cause when blender with enabled symmetry doesn’t recognize vertices that are accurately mirrored?

Vertex in -x
2

Vertex in +x
1

As you can see, they are perfectly symmetric but pulling on one (with symmetry x activated) leaves the opposite behind. I stumbled over this problem a couple of times and can’t make any sense of it.

#2

You may have duplicate vertices. If you have two vertices in the same place, they will not symmetrize correctly. Try “Merge by Distance” and see if a very low value removes any vertices.

1 Like
#3

You were right. Found 5 overlapping vertices and merged them together and voila, symmetry works once more.

Thanks Joseph :+1:

#4

sure thing :slight_smile: